That may be due to iTunes install extra software during installation. As a versatile utility for iOS devices, you may need iTunes to back up and restore your iPhone, do troubleshooting, or purchase content.Īccording to our research, some iPhone users complained that iTunes won’t install on PCs. ITunes is built-in Mac OS X/11 however, you have to install iTunes on Windows 10/8.1/8/7 and earlier manually. Tutorial of Installing Latest or Older Version of iTunes on Windows